Home / 749,482.31-1,034,293.75-405,324.95

Finding the Fourth Proportional to 749,482.31, 1,034,293.75 and 405,324.95

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Solution

The fourth proportional to 749,482.31, 1,034,293.75 and 405,324.95 is: 559,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,482.31 : 1,034,293.75 = 405,324.95 : x
  2. Step 2: Convert to fraction form
    749,482.31/1,034,293.75 = 405,324.95/x
  3. Step 3: Cross multiply
    749,482.31x = 1,034,293.75 × 405,324.95
  4. Step 4: Simplify right side
    749,482.31x = 419,225,064,476.17
  5. Step 5: Solve for x
    x = 419,225,064,476.17/749,482.31
  6. Step 6: Final answer
    x = 559,352.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.